You can shoot elephants behind the forelegs with an AK47 (7,65x39), also the .303 is used by poachers. But that is not ethical hunting. You can shoot like Bell with the 7x57, 173 gr at 2350 f/s if you are experienced like Bell to find the right spot for a side brain shot just in front of the earhole.
Green has been proven to be pleasing to human senses being associated with calmness, wealth, generosity, good luck and fertility. It is also the colour of peace. It is worth noting that the colour yellow biologically makes people feel more optimistic and energetic as it stimulates the release of the feel-good chemical seratonin.
Black: This is a powerful, mysterious color and is associated with seriousness. Also associated with sex, death and mystery. Black may make you feel depressed, or on the other hand, may make you feel secure - hiding in the darkness. Blue: A relaxing color. Blue lowers blood pressure, calms, gives a sense of security, and suppresses appetite. Brown: This is an organic, earthy color. It can make you feel cozy. Green: This is the easiest color for the eyes to focus on for long periods of time. It soothes pain and is associated with optimism. May make one feel happy, clean, fresh. Orange: This color is friendly, relaxing and ambitious. Pink: This is a youthful, feminine color. Pink is also a soft, sensitive color.